Finding the Fourth Proportional to 2,490,430.64, 3,715,010.07 and 2,417,013.05
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Solution
The fourth proportional to 2,490,430.64, 3,715,010.07 and 2,417,013.05 is: 3,605,492.02
Step by Step Solution
- Step 1: Write the proportion equation
2,490,430.64 : 3,715,010.07 = 2,417,013.05 : x - Step 2: Convert to fraction form
2,490,430.64/3,715,010.07 = 2,417,013.05/x - Step 3: Cross multiply
2,490,430.64x = 3,715,010.07 × 2,417,013.05 - Step 4: Simplify right side
2,490,430.64x = 8,979,227,789,411.30 - Step 5: Solve for x
x = 8,979,227,789,411.30/2,490,430.64 - Step 6: Final answer
x = 3,605,492.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.